<span class="lv-table-column-sorter-inner">
  <i
    lv-icon="lv-icon-sort-asc"
    [ngClass]="{
      'lv-table-sorter-asc': true,
      'lv-table-sorter-active': direction === 'asc',
      'lv-table-sorter-presort': direction !== 'asc'
    }"
  ></i>
  <i
    lv-icon="lv-icon-sort-desc"
    [ngClass]="{
      'lv-table-sorter-desc': true,
      'lv-table-sorter-active': direction === 'desc',
      'lv-table-sorter-presort': direction === 'asc'
    }"
  ></i>
</span>
